Strychnos quadrangularis Gilg Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Loganiaceae genus Strychnos species Strychnos johnsonii Name Homonyms Strychnos quadrangularis Mildbr. Strychnos quadrangularis A.W.Hill Strychnos quadrangularis Gilg